User contributions
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- 15:22, 15 February 2009 (diff | hist) . . (+1,382) . . N 2001 AMC 12 Problems/Problem 16 (New page: == Problem == A spider has one sock and one shoe for each of its eight legs. In how many different orders can the spider put on its socks and shoes, assuming that, on each leg, the sock m...)
- 15:04, 15 February 2009 (diff | hist) . . (+692) . . 2009 AMC 12A Problems/Problem 12
- 13:55, 15 February 2009 (diff | hist) . . (+15) . . m 2001 AMC 12 Problems/Problem 25 (→See Also)
- 13:55, 15 February 2009 (diff | hist) . . (+2,188) . . N 2001 AMC 12 Problems/Problem 25 (New page: == Problem == Consider sequences of positive real numbers of the form <math>x, 2000, y, \dots</math> in which every term after the first is 1 less than the product of its two immediate ne...)
- 10:58, 15 February 2009 (diff | hist) . . (+1,647) . . N 2001 AMC 12 Problems/Problem 21 (New page: == Problem == Four positive integers <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</math> have a product of <math>8!</math> and satisfy: <cmath> \begin{align*} ab + a + b &...)
- 09:11, 15 February 2009 (diff | hist) . . (+1,584) . . N 2001 AMC 12 Problems/Problem 23 (New page: == Problem == A polynomial of degree four with leading coefficient 1 and integer coefficients has two zeros, both of which are integers. Which of the following can also be a zero of the p...)
- 08:10, 15 February 2009 (diff | hist) . . (+66) . . m 2001 AMC 12 Problems/Problem 19
- 08:09, 15 February 2009 (diff | hist) . . (+59) . . m 2001 AMC 12 Problems/Problem 13
- 08:08, 15 February 2009 (diff | hist) . . (+1,514) . . N 2001 AMC 12 Problems/Problem 10 (New page: == Problem == The plane is tiled by congruent squares and congruent pentagons as indicated. The percent of the plane that is enclosed by the pentagons is closest to <math> \text{(A) }50 ...)
- 08:04, 15 February 2009 (diff | hist) . . (+70) . . m 2001 AMC 12 Problems/Problem 9
- 08:03, 15 February 2009 (diff | hist) . . (+1,694) . . N 2001 AMC 12 Problems/Problem 8 (New page: == Problem == Which of the cones listed below can be formed from a <math>252^\circ</math> sector of a circle of radius <math>10</math> by aligning the two straight sides? <asy> import g...)
- 07:54, 15 February 2009 (diff | hist) . . (+8,466) . . 2001 AMC 12 Problems
- 22:14, 14 February 2009 (diff | hist) . . (+706) . . m 2009 AMC 12A Problems/Problem 13
- 19:00, 14 February 2009 (diff | hist) . . (+1,629) . . N 2009 AMC 10A Problems/Problem 17 (New page: == Problem == Rectangle <math>ABCD</math> has <math>AB=4</math> and <math>BC=3</math>. Segment <math>EF</math> is constructed through <math>B</math> so that <math>EF</math> is perpendicula...)
- 16:19, 14 February 2009 (diff | hist) . . (+3,251) . . 2008 AMC 12B Problems/Problem 20
- 15:42, 14 February 2009 (diff | hist) . . (-1,806) . . 2008 AMC 10B Problems/Problem 25 (someone made an error when transcribing the problem, fixed it) (current)
- 15:40, 14 February 2009 (diff | hist) . . (-4) . . 2008 AMC 10B Problems (→Problem 25: someone made an error when transcribing this problem, this is now fixed)
- 14:20, 14 February 2009 (diff | hist) . . (+152) . . 2009 AMC 12A Problems/Problem 20
- 14:20, 14 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 23 (Redirecting to 2009 AMC 12A Problems/Problem 20) (current)
- 19:38, 13 February 2009 (diff | hist) . . (+1,870) . . N 2009 AMC 10A Problems/Problem 21 (New page: == Problem == Many Gothic cathedrals have windows with portions containing a ring of congruent circles that are circumscribed by a larger circle, In the figure shown, the number of smalle...)
- 09:38, 13 February 2009 (diff | hist) . . (+335) . . 2009 AMC 10A Problems (→Problem 23)
- 09:33, 13 February 2009 (diff | hist) . . (+561) . . 2009 AMC 10A Problems (→Problem 21)
- 09:31, 13 February 2009 (diff | hist) . . (+403) . . 2009 AMC 10A Problems (→Problem 19)
- 09:28, 13 February 2009 (diff | hist) . . (+351) . . 2009 AMC 10A Problems (→Problem 17)
- 09:18, 13 February 2009 (diff | hist) . . (+1,668) . . N 2009 AMC 10A Problems/Problem 10 (New page: == Problem == Triangle <math>ABC</math> has a right angle at <math>B</math>. Point <math>D</math> is the foot of the altitude from <math>B</math>, <math>AD=3</math>, and <math>DC=4</math>...)
- 09:01, 13 February 2009 (diff | hist) . . (+638) . . 2009 AMC 10A Problems (→Problem 10)
- 08:55, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 14 (Redirecting to 2009 AMC 12A Problems/Problem 8) (current)
- 08:55, 13 February 2009 (diff | hist) . . (+444) . . 2009 AMC 10A Problems (→Problem 14)
- 08:54, 13 February 2009 (diff | hist) . . (+104) . . 2009 AMC 12A Problems/Problem 8
- 08:52, 13 February 2009 (diff | hist) . . (+1,116) . . N 2009 AMC 10A Problems/Problem 16 (New page: == Problem == Let <math>a</math>, <math>b</math>, <math>c</math>, and <math>d</math> be real numbers with <math>|a-b|=2</math>, <math>|b-c|=3</math>, and <math>|c-d|=4</math>. What is the...)
- 08:47, 13 February 2009 (diff | hist) . . (+234) . . 2009 AMC 10A Problems (→Problem 16)
- 08:44, 13 February 2009 (diff | hist) . . (+1,701) . . N 2009 AMC 10A Problems/Problem 18 (New page: == Problem == At Jefferson Summer Camp, <math>60\%</math> of the children play soccer, <math>30\%</math> of the children swim, and <math>40\%</math> of the soccer players swim. To the nea...)
- 08:28, 13 February 2009 (diff | hist) . . (+261) . . 2009 AMC 10A Problems (→Problem 18)
- 08:21, 13 February 2009 (diff | hist) . . (+1,375) . . N 2009 AMC 10A Problems/Problem 20 (New page: == Problem == Andrea and Lauren are <math>20</math> kilometers apart. They bike toward one another with Andrea traveling three times as fast as Lauren, and the distance between them decre...)
- 08:13, 13 February 2009 (diff | hist) . . (+419) . . 2009 AMC 10A Problems (→Problem 20)
- 05:51, 13 February 2009 (diff | hist) . . (+1,557) . . N 2009 AMC 10A Problems/Problem 22 (New page: == Problem == Two cubical dice each have removable numbers <math>1</math> through <math>6</math>. The twelve numbers on the two dice are removed, put into a bag, then drawn one at a time ...)
- 05:45, 13 February 2009 (diff | hist) . . (+435) . . 2009 AMC 10A Problems (→Problem 22)
- 05:41, 13 February 2009 (diff | hist) . . (+2,006) . . N 2009 AMC 10A Problems/Problem 24 (New page: == Problem == Three distinct vertices of a cube are chosen at random. What is the probability that the plane determined by these three vertices contains points inside the cube? <math> \m...)
- 05:31, 13 February 2009 (diff | hist) . . (+219) . . 2009 AMC 10A Problems (→Problem 24)
- 05:26, 13 February 2009 (diff | hist) . . (+521) . . 2009 AMC 10A Problems (→Problem 6)
- 05:17, 13 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 25 (Redirecting to 2009 AMC 12A Problems/Problem 18) (current)
- 05:17, 13 February 2009 (diff | hist) . . (+163) . . m 2009 AMC 12A Problems/Problem 18
- 05:16, 13 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 15 (Redirecting to 2009 AMC 12A Problems/Problem 11) (current)
- 05:16, 13 February 2009 (diff | hist) . . (+1,742) . . 2009 AMC 10A Problems
- 05:15, 13 February 2009 (diff | hist) . . (+152) . . m 2009 AMC 12A Problems/Problem 11
- 05:12, 13 February 2009 (diff | hist) . . (+45) . . N 2009 AMC 10A Problems/Problem 13 (Redirecting to 2009 AMC 12A Problems/Problem 6) (current)
- 05:11, 13 February 2009 (diff | hist) . . (+151) . . m 2009 AMC 12A Problems/Problem 6
- 05:11, 13 February 2009 (diff | hist) . . (+200) . . 2009 AMC 10A Problems (→Problem 13)
- 05:10, 13 February 2009 (diff | hist) . . (+46) . . N 2009 AMC 10A Problems/Problem 12 (Redirecting to 2009 AMC 12A Problems/Problem 10) (current)
- 05:09, 13 February 2009 (diff | hist) . . (+152) . . m 2009 AMC 12A Problems/Problem 10
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